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cpuuidll.c

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#include "../dllkit/dllkit.h"
#include "../usrmsgs.h"
#include "resource.h"
#include <commctrl.h>
#include <stdio.h>
#include <tchar.h>

HANDLE hThisModule;
MSGLIST Msgs;
INITDLLSTRUCT info;

HMENU hMenu;
HMENU hCpuMenu;

BOOL Running;

/* ----- begin forward declarations */
void SetStatusRunning();
void SetStatusStopped();
/* ----- end forward declarations */

BOOL APIENTRY DllMain(HANDLE hModule, DWORD  ul_reason_for_call, 
                                          LPVOID lpReserved)
{
        hThisModule = hModule;
        switch (ul_reason_for_call) {
        case DLL_PROCESS_ATTACH:
                CreateMsgList(&Msgs, 3);
                break;
        case DLL_PROCESS_DETACH:
                FreeMsgList(Msgs);
                break;
        }       
    return TRUE;
}

DLLEXPORT void __cdecl InitDll(INITDLLSTRUCT* ids, INITDLLINFO* idi)
{
        TBADDBITMAP tbab;
        TBBUTTON tbt[7];
        int index;

        // Fill the msglist with messages we want handle
        AddMessage(Msgs, WM_COMMAND);
        AddMessage(Msgs, CPURUNNING);
        AddMessage(Msgs, CPUSTOPPED);

        // Copy informations passed to this dll
        info.CSMemory = ids->CSMemory;
        info.hInst = ids->hInst;
        info.hWnd = ids->hWnd;
        info.memory = ids->memory;
        info.memgetb = ids->memgetb;
        info.memsetb = ids->memsetb;
        info.optional = ids->optional;
        info.hTb = ids->hTb;

        // Append local menu to the main menu bar
        hMenu = GetMenu(info.hWnd);
        hCpuMenu = LoadMenu(hThisModule, MAKEINTRESOURCE(IDR_MENU));
        AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT) hCpuMenu, "&CPU");
        DrawMenuBar(info.hWnd);

        // Add buttons to the main toolbar
        tbab.hInst = hThisModule;
        tbab.nID = IDR_TOOLBAR;
        index = SendMessage(info.hTb, TB_ADDBITMAP, (WPARAM) 5, 
        (WPARAM) &tbab); 
        ZeroMemory(&tbt, sizeof(TBBUTTON) * 5);
        tbt[0].iBitmap = index;
        tbt[0].idCommand = ID_RESUME;
        tbt[0].fsState = TBSTATE_ENABLED;
        tbt[0].fsStyle = TBSTYLE_BUTTON | TBSTYLE_AUTOSIZE;
        tbt[1].iBitmap = index + 1;
        tbt[1].idCommand = ID_PAUSE;
        tbt[1].fsState = TBSTATE_ENABLED;
        tbt[1].fsStyle = TBSTYLE_BUTTON | TBSTYLE_AUTOSIZE;
        tbt[2].iBitmap = index + 2;
        tbt[2].idCommand = ID_NMI;
        tbt[2].fsState = TBSTATE_ENABLED;
        tbt[2].fsStyle = TBSTYLE_BUTTON | TBSTYLE_AUTOSIZE;
        tbt[3].iBitmap = index + 3;
        tbt[3].idCommand = ID_IRQ;
        tbt[3].fsState = TBSTATE_ENABLED;
        tbt[3].fsStyle = TBSTYLE_BUTTON | TBSTYLE_AUTOSIZE;
        tbt[4].iBitmap = index + 4;
        tbt[4].idCommand = ID_RESET;
        tbt[4].fsState = TBSTATE_ENABLED;
        tbt[4].fsStyle = TBSTYLE_BUTTON | TBSTYLE_AUTOSIZE;

    SendMessage(info.hTb, TB_ADDBUTTONS, (WPARAM) 5, 
        (LPARAM) &tbt); 

        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_PAUSE, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_RESET, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_IRQ, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_NMI, (LPARAM) MAKELONG(FALSE, 0)); 

    SendMessage(info.hTb, TB_AUTOSIZE, 0, 0); 

        Running = FALSE;

        idi->iolo = 0;
        idi->iohi = 0;
        idi->msglist = Msgs;
}

DLLEXPORT void __cdecl OnMessage(MESSAGEDLLSTRUCT* mds)
{
        int wmId, wmEvent;

        switch (mds->message) {
        case WM_COMMAND:
                wmId = LOWORD(mds->wParam); 
                wmEvent = HIWORD(mds->wParam); 
                switch (wmId) {
                case ID_RESUME:
                        SetStatusRunning();
                        SendMessage(info.hWnd, STARTCPU, 0, 0);
                        break;          
                case ID_PAUSE:
                        SetStatusStopped();
                        SendMessage(info.hWnd, PAUSECPU, 0, 0);
                        break;
                case ID_RESET:
                        (*info.memsetb)(RESETID, 255);
                        SendMessage(info.hWnd, RESETMSG, 0, 0);
                        break;
                case ID_IRQ:
                        (*info.memsetb)(IRQID, 255);
                        SendMessage(info.hWnd, IRQMSG, 0, 0);
                        break;
                case ID_NMI:
                        (*info.memsetb)(NMIID, 255);
                        SendMessage(info.hWnd, NMIMSG, 0, 0);
                        break;
                case ID_ABOUT:
                        MessageBox(info.hWnd, "Cpu UI\nAdds the CPU menu and buttons which enable sending commands to cpu from GUI\n(c)2002 Petr Cermak", "About", MB_OK);
                        break;
                }
                break;
        case CPURUNNING:
                if (!Running) {
                        SetStatusRunning();
                }
                break;
        case CPUSTOPPED:
                if (Running) {
                        SetStatusStopped();
                }
                break;
        }

}

void SetStatusRunning()
{
        Running = TRUE;
        EnableMenuItem(hCpuMenu, ID_RESUME, MF_GRAYED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_PAUSE, MF_ENABLED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_RESET, MF_ENABLED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_IRQ, MF_ENABLED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_NMI, MF_ENABLED | MF_BYCOMMAND);
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_RESUME, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_PAUSE, (LPARAM) MAKELONG(TRUE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_RESET, (LPARAM) MAKELONG(TRUE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_IRQ, (LPARAM) MAKELONG(TRUE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_NMI, (LPARAM) MAKELONG(TRUE, 0)); 
}

void SetStatusStopped()
{
        Running = FALSE;
        EnableMenuItem(hCpuMenu, ID_RESUME, MF_ENABLED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_PAUSE, MF_GRAYED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_RESET, MF_GRAYED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_IRQ, MF_GRAYED | MF_BYCOMMAND);
        EnableMenuItem(hCpuMenu, ID_NMI, MF_GRAYED | MF_BYCOMMAND);
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_RESUME, (LPARAM) MAKELONG(TRUE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_PAUSE, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_RESET, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_IRQ, (LPARAM) MAKELONG(FALSE, 0)); 
        SendMessage(info.hTb, TB_ENABLEBUTTON, 
                (WPARAM) ID_NMI, (LPARAM) MAKELONG(FALSE, 0)); 
}

DLLEXPORT void __cdecl IOFunc(UINT adr, unsigned char* data, 
                                                                                  iomode mode)
{
}

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